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    Nonlinear Finite-Element Analysis of the Seismic Behavior of RC Column–Steel Beam Connections with Shear Failure Mode

    Source: Journal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 010::page 04021160-1
    Author:
    Yuchen Tao
    ,
    Weijian Zhao
    ,
    Jiangpeng Shu
    ,
    Yuanzhang Yang
    DOI: 10.1061/(ASCE)ST.1943-541X.0003132
    Publisher: ASCE
    Abstract: RC column–steel beam (RCS) systems, a novel type of hybrid structure, have been used widely in recent decades owing to their excellent seismic performance and simple fabrication process. However, due to the effects of variable strengthening configurations on force-transfer mechanisms, the mechanical behavior of RCS connections has not been fully understood by existing experimental studies. This paper proposes a reliable finite-element model of RCS connections and investigated the effects of different strengthening configurations and design parameters on the seismic performance and shear mechanism. A detailed three-dimensional finite-element model was developed and validated against previously obtained experimental results, including load–displacement relationships and cracking patterns. Parametric studies based on the validated model were conducted. The studies showed that the axial load ratio significantly affects the failure mode and ductility of the connection. The load-carrying capacity of the connection is enhanced significantly when the concrete strength is increased. Furthermore, additional yield capacity of steel plates and transverse reinforcements has limited effects on crack propagation and strain state when adequate resistance can be provided.
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      Nonlinear Finite-Element Analysis of the Seismic Behavior of RC Column–Steel Beam Connections with Shear Failure Mode

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4272777
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    • Journal of Structural Engineering

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    contributor authorYuchen Tao
    contributor authorWeijian Zhao
    contributor authorJiangpeng Shu
    contributor authorYuanzhang Yang
    date accessioned2022-02-01T22:10:50Z
    date available2022-02-01T22:10:50Z
    date issued10/1/2021
    identifier other%28ASCE%29ST.1943-541X.0003132.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4272777
    description abstractRC column–steel beam (RCS) systems, a novel type of hybrid structure, have been used widely in recent decades owing to their excellent seismic performance and simple fabrication process. However, due to the effects of variable strengthening configurations on force-transfer mechanisms, the mechanical behavior of RCS connections has not been fully understood by existing experimental studies. This paper proposes a reliable finite-element model of RCS connections and investigated the effects of different strengthening configurations and design parameters on the seismic performance and shear mechanism. A detailed three-dimensional finite-element model was developed and validated against previously obtained experimental results, including load–displacement relationships and cracking patterns. Parametric studies based on the validated model were conducted. The studies showed that the axial load ratio significantly affects the failure mode and ductility of the connection. The load-carrying capacity of the connection is enhanced significantly when the concrete strength is increased. Furthermore, additional yield capacity of steel plates and transverse reinforcements has limited effects on crack propagation and strain state when adequate resistance can be provided.
    publisherASCE
    titleNonlinear Finite-Element Analysis of the Seismic Behavior of RC Column–Steel Beam Connections with Shear Failure Mode
    typeJournal Paper
    journal volume147
    journal issue10
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0003132
    journal fristpage04021160-1
    journal lastpage04021160-18
    page18
    treeJournal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 010
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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